Late post
Daily Herald, Arlington Heights, IL 10/30/17:
Former Metra cop charged in beating recorded on video
A former Metra police officer faces charges of aggravated battery after a video he gave to prosecutors showed him beating and punching a man at a Chicago train station.
David Robertson, 50, of Matteson, told Metra officials the 45-year-old man he arrested on charges of trespassing started the fight in 2015 at Millennium Station, authorities said.
But a surveillance video shows Robertson striking the man in the face unprovoked, spraying pepper spray at him and smacking him with a baton as two other officers joined in, Cook County prosecutors said.
Continue here w/surveillance photos.